 Censoring (statistics)

Censoring records that an observation lies in a known set without revealing its exact value. In survival analysis, it commonly bounds an unobserved event time.

Censoring is a concept in statistics typically associated with survival analysis and reliability engineering. It occurs when the value of a variable is only partially known due to limitations in observation or data collection. This often arises in time-to-event analysis, such as in medical studies where the time until an event (like death, failure, or remission) is of interest, but some individuals do not experience the event during the study period.